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प्रश्न
Does the mirror name by your form a real image for all locations? Give a reason for your answer.
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उत्तर
No, this mirror does not give a real image of the object that lies between principal focus and pole.
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संबंधित प्रश्न
A 4 cm tall object is placed on the principal axis of a convex lens. The distance of the object from the optical centre of the lens is 12 cm and its sharp image is formed at a distance of 24 cm from it on a screen on the other side of the lens. If the object is now moved a little away from the lens, in which way (towards the lens or away from the lens) will he have to move the screen to get a sharp image of the object on it again? How will the magnification of the image be affected?
Explain the following term related to spherical lenses:- principal focus
Name the two types of spherical mirrors. What type of mirror is represented by the:
- back side of a shining steel spoon?
- front side of a shining steel spoon?
State the number of images of an object placed between two mirrors, formed in each case when mirrors are inclined to each other at (a) 90°, and (b) 60°.
Name the kind of mirror used to obtain :
A real and enlarged image
Name the kind of mirror used to obtain:
A virtual and diminished image
For an incident ray directed towards centre of curvature of a spherical mirror the reflected ray:
Define the term Normal.
How tall does a mirror have to be to fit an entire person’s body?
